521054852 has 12 divisors (see below), whose sum is σ = 912455376. Its totient is φ = 260353320.

The previous prime is 521054839. The next prime is 521054869. The reversal of 521054852 is 258450125.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36674 + ... + 48857.

It is an arithmetic number, because the mean of its divisors is an integer number (76037948).

Almost surely, 2^521054852 is an apocalyptic number.

It is an amenable number.

521054852 is a deficient number, since it is larger than the sum of its proper divisors (391400524).

521054852 is a wasteful number, since it uses less digits than its factorization.

521054852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87058 (or 87056 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 521054852 is about 22826.6259442783. The cubic root of 521054852 is about 804.6885370951.

The spelling of 521054852 in words is "five hundred twenty-one million, fifty-four thousand, eight hundred fifty-two".